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Finding the Fourth Proportional to 434,086.93, 650,992.46 and 405,750.83

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Solution

The fourth proportional to 434,086.93, 650,992.46 and 405,750.83 is: 608,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,086.93 : 650,992.46 = 405,750.83 : x
  2. Step 2: Convert to fraction form
    434,086.93/650,992.46 = 405,750.83/x
  3. Step 3: Cross multiply
    434,086.93x = 650,992.46 × 405,750.83
  4. Step 4: Simplify right side
    434,086.93x = 264,140,730,968.74
  5. Step 5: Solve for x
    x = 264,140,730,968.74/434,086.93
  6. Step 6: Final answer
    x = 608,497.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.